FEAT #202 fusion M2M indexing

apps/maarch_entreprise/actions/index_mlb.php

apps/maarch_entreprise/js/functions.js

apps/maarch_entreprise/lang/en.php

apps/maarch_entreprise/lang/fr.php

apps/maarch_entreprise/xml/IVS/data_types.xml

apps/maarch_entreprise/xml/IVS/validation_rules.xml

apps/maarch_entreprise/xml/config.xml.default

apps/maarch_entreprise/xml/entreprise.xml

apps/maarch_entreprise/xml/extensions.xml

apps/maarch_entreprise/xml/m2m_config.xml

rest/index.php

src/app/contact/controllers/ContactController.php

src/app/contact/models/ContactModelAbstract.php